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Question by Ingunn V. · Oct 17, 2013 at 03:02 PM ·

Not able to start Dynatrace webstart client with java7 update 45

I just installed upgrade 45 to java7, and now it's impossible to start the webstart client for Dynatrace...

I get the following error message:

Block potentially unsafe components from being run?

Java has discovered application components that could indicate a security concern. Contact the application vendor to ensure that it has not been tampered with.

I get two buttons: Block and Don't block.

I clic on Don't block, but the client wont start anyway....

We need to use the web client because using the standalone client affects other software that we run...

I've changed my JAVA_HOME environment variable to point to jre6, but it doesn't help...

 

 

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Answer by Andreas G. · Oct 17, 2013 at 03:10 PM

Hi

We just learned about this Problem by a couple of reports from customers as well as from the worldwide Java community. There seems to be a problem with this Update as it has also been reported on different Java Community Pages:

http://www.eclipse.org/forums/index.php/t/552636/

http://stackoverflow.com/questions/19407102/java-7-update-45-broke-my-web-start-swt-application

http://www.java.com/en/download/faq/release_changes.xml

WE RECOMMEND to stay on the previous update as there is no workaround in the moment

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Answer by Ingunn V. · Oct 17, 2013 at 03:39 PM

Thanx for the update!

I will inform the rest of the Dynatrace users at our site.

 


 

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Answer by Paul K. · Oct 21, 2013 at 12:10 PM

Hi Andreas,

 

I have the same problem, but even after uninstall of the 7u45 and fresh install of an older 7u25 version the problem continues. I tried to lower security level to medium but without result. Is there any way I can start the dtClient at this moment?

 

Regards,

 

Paul

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Answer by Ingunn V. · Oct 21, 2013 at 12:14 PM

I had both Java 6 and Java 7 installed on my computer.

I removed Java 7 and it is running fine on Java 6.

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Answer by Andreas G. · Oct 21, 2013 at 12:28 PM

Also check out the Technical Alerts dynaTrace DATM for more information on this and other technical alerts

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